Shows scientists communicating with apes by teaching them sign language and through the use of a talking typewriter or computer. Points out that these communication methods can be used to help teach language to the mentally retarded and to brain - damaged children.
Reveals through laboratory analysis of a blood sample the structure of blood cells and the composition of plasma. Animated drawings and X-ray motion pictures of the circulatory system illustrate the work of the blood in circulating food elements and other materials to body cells, removing wastes, equalizing heat distribution, and providing defenses against disease. Dtrates methods of typing blood and giving transfusions.